Since 'regulation' is a compile-time constant equal to 'TXPWR_LMT_WW', mark it as such and simplify few branches in '_rtl8812ae_phy_get_txpower_limit()'. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx> --- .../wireless/realtek/rtlwifi/rtl8821ae/phy.c | 24 +++++++------------ 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c index c262770fea29..27e256a82f00 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c @@ -2278,16 +2278,15 @@ static s8 _rtl8812ae_phy_get_txpower_limit(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_efuse *rtlefuse = rtl_efuse(rtlpriv); struct rtl_phy *rtlphy = &rtlpriv->phy; - short band_temp = -1, regulation = -1, bandwidth_temp = -1, - rate_section = -1, channel_temp = -1; - u16 regu, bdwidth, sec, chnl; + short band_temp = -1, bandwidth_temp = -1, + rate_section = -1, channel_temp = -1; + u16 bdwidth, sec, chnl; s8 power_limit = MAX_POWER_INDEX; + const short regulation = TXPWR_LMT_WW; if (rtlefuse->eeprom_regulatory == 2) return MAX_POWER_INDEX; - regulation = TXPWR_LMT_WW; - if (band == BAND_ON_2_4G) band_temp = 0; else if (band == BAND_ON_5G) @@ -2393,8 +2392,8 @@ static s8 _rtl8812ae_phy_get_txpower_limit(struct ieee80211_hw *hw, ;/* BAND_ON_BOTH don't care temporarily */ } - if (band_temp == -1 || regulation == -1 || bandwidth_temp == -1 || - rate_section == -1 || channel_temp == -1) { + if (band_temp == -1 || bandwidth_temp == -1 || + rate_section == -1 || channel_temp == -1) { rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, "Wrong index value to access power limit table [band %d][regulation %d][bandwidth %d][rf_path %d][rate_section %d][chnl %d]\n", band_temp, regulation, bandwidth_temp, rf_path, @@ -2402,7 +2401,6 @@ static s8 _rtl8812ae_phy_get_txpower_limit(struct ieee80211_hw *hw, return MAX_POWER_INDEX; } - regu = regulation; bdwidth = bandwidth_temp; sec = rate_section; chnl = channel_temp; @@ -2415,10 +2413,7 @@ static s8 _rtl8812ae_phy_get_txpower_limit(struct ieee80211_hw *hw, limits[i] = rtlphy->txpwr_limit_2_4g[i][bdwidth] [sec][chnl][rf_path]; - power_limit = (regulation == TXPWR_LMT_WW) ? - _rtl8812ae_phy_get_world_wide_limit(limits) : - rtlphy->txpwr_limit_2_4g[regu][bdwidth] - [sec][chnl][rf_path]; + power_limit = _rtl8812ae_phy_get_world_wide_limit(limits); } else if (band == BAND_ON_5G) { s8 limits[10] = {0}; u8 i; @@ -2427,10 +2422,7 @@ static s8 _rtl8812ae_phy_get_txpower_limit(struct ieee80211_hw *hw, limits[i] = rtlphy->txpwr_limit_5g[i][bdwidth] [sec][chnl][rf_path]; - power_limit = (regulation == TXPWR_LMT_WW) ? - _rtl8812ae_phy_get_world_wide_limit(limits) : - rtlphy->txpwr_limit_5g[regu][chnl] - [sec][chnl][rf_path]; + power_limit = _rtl8812ae_phy_get_world_wide_limit(limits); } else { rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "No power limit table of the specified band\n"); -- 2.41.0